Sprinkler head



Sept. 24, 1946. 'R CAgL-sog, 2,408,196

SPRINKLER HEAD Filed June 23, 1944 Patented Sept. 24,1946 Y v UNITED STATES PATENT OFFICE SPRINKLER HEAD Rudolph E. Carlson, Jacksonville, Fla. Application June 23, 1944, Serial No. 541,796

` z anims. (C1. 299-67) 1 2 f This invention relates to sprinkler heads espevertically and axially' of the head I5 but stoppin cially designed for use with underground lawn short ofthe upper open end of the sprinkler body sprinkling systems, and' it consists in the con- I3. Inwardly of the upper end of the stud I8 a structions, arrangements and combinations longitudinal reduced portion I9 is formed, proherein described and claimed. viding a shoulder I9 and a head 20.

It is a particular object of the invention to A bell-shaped rotor or turbine 2| is employed,

provide a sprinkler constructed in such manner formed of rubber or other suitable material, the that there is little danger of injuries to persons reduced portion 22 thereof having an axial bore or damage to the sprinkler head or a lawn mower 23 within which a iianged Sleeve 24 is embedded, when the latter is moved across a lawn equipped the sleeve being of a length terminating slightly with my sprinkler devices. above the head 20 of the stud. Upon the interior Y It is a still further and important object of ,of the sleeve an annular groove 25 is formed,y the invention to provide a sprinkler of the charadapted to receive a split rmg 2li.r `The ring 26 acter indicated in which a rotor is employed, 7 normally rests upon the shoulder |9 of the stud actuated by the out-flow of Water, effecting a r1 5 |3,as shown in Figure 5 leaving ample clearance more uniform distribution of water. for vertical movement of the rotorv2| to afford It is also an object of the invention to propassage of water between the rotor and the body vide a sprinkler head in which the rotor mem- I3. To assemble the rotor upon the stud, the split ber' is longitudinauy movable to an unseated ring 26 being held compressed about the reduced position with respect to the head proper during DOrti0n,tl1e Stud and Spring are presented into operation and movable under action of gravity to the sleeve 24 and moved longitudinally therein a seated position to a horizontal point below the until the Spring eXpendS into the grOOVe 25 0f the level ordinarily traversed 'by the cutting reel of rotor.

a lawn mower. The rotor 2| is formed with a plurality of lon- Additional objects, advantages and features oi ,25 gitudinally extending VaneS 2l upOnfthe Outerl invention will be apparent from the following deperiphery thei'eOf, the VaneS being 0f a length scription considered in conjunction with the acextending from a point adjacent the reduced end companying drawing, wherein ofthe rotor to a point slightly below the open Figure lisafragmentary vertical sectional view end I4 of the body I3, when the rotor is of the sprinkler constructed in accordance with seated engagement. The vanes are directed 1n my invention. a common direction.

Figure 2 is a partial cross section on the line In use, water discharged from the conduit |0 2-2 of Figurel. will pass through the openings I6, the pressure Figure 3 is a cross section on the line 3-3 of of the water ,raising the rotor 2| along the stud Figure 1. I8 until the split ring 26 engages the head 20 of Figure 4 is an venlarged cross section illustratthe stud. At the same time water will be forcibly ing the mounting of the sprinkler head. impacted against the vanes 21 thereby eiecting Figure 5 is an enlarged sectional view illustratrapid rotation of the rotor, with uniform circuming the mounting of the rotor. ferential distribution of water around the spriny There is illustrated a conduit |0 which may be 40 kler. j e connected to an underground water line (not While I have shown and specifically described shown) in the usual manner. The terminal end my invention, this is by way of illustration only, of the conduit is threaded as at I2, and reand I consider as my own all such modications ceives a sprinkler head body I3, preferably suby in construction as fairly fallwithin the scope of stantially bell-shaped in side elevation, the open the appended claims. end I4 being presented upwardly, projecting but 1 claim; a short distance above ground level. 1. A sprinkler head for use with underground The loody i3 has a transversely extending Weill lawn sprinkling systems comprising a hollow sub- |5 integrally formed With the body and extendstantially bell-shaped Ybody member, having a ing across the port of the conduit l0, and spaced threaded opening at the reduced end thereof, a eireulnfelentially about the Wall l5 a plurality transverse wall inwardly of said threaded'open- 0f Openings I6 are formed, located closely adjaing, said wall having a plurality of openings in cent the inner wall of the body I3. Medially of communication with said threaded opening, an the wall |5 there is formed a threaded bore I1 axially disposed stud on said wall, said stud havadapted to receive a threaded stud |8 extended 55 ing a portion of reduced diameter and a head stud, and said turbine having a plurality of vane members on the exterior surface disposed in the path of water discharged through the openings of the Wall.

2. The structure of claim 1 in which the turbine is` constructed of rubber.

RUDOLPH E. CARLSON. 

